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critical9.8Known exploited

CVE-2023-22518

Atlassian Confluence Data Center and Server Improper Authorization Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2023-11-07. Federal due date: 2023-11-28.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Impact

All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to reset Confluence and create a Confluence instance administrator account. Using this account, an attacker can then perform all administrative actions that are available to Confluence instance administrator leading to - but not limited to - full loss of confidentiality, integrity and availability.  Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.

Affected products

VendorProductAffected versions
AtlassianConfluence Data Center
from 1.0 before 7.19.16
from 7.20.0 before 8.3.4
from 8.4.0 before 8.4.4
from 8.5.0 before 8.5.3
Version 8.6.0
AtlassianConfluence Server
from 1.0 before 7.19.16
from 7.20.0 before 8.3.4
from 8.4.0 before 8.4.4
from 8.5.0 before 8.5.3
Version 8.6.0

Weakness classification

CWE-863

References